Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://laborke.ru/uplcv?utm_term=makkar+ielts+general+writing+task+2+pdf+download+2021 PDF link annotation

  • https://cplastik.cz/data/cms/file/93822375838.pdfIn PDF document text
  • http://meyergarden.com/ckfinder/userfiles/files/24683818589.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/trkcu1acvv0h6i1g15c0it2n7b/tofovezefabuvodivaxisi.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3bbfc3ddc5---71134363175.pdfIn PDF document text
  • https://simon-daulte.com/ckfinder/userfiles/files/bexiruziguv.pdfIn PDF document text
  • http://iphonedown.com/ckfinder/userfiles/files/jirikopiliruwisoxi.pdfIn PDF document text
  • http://aligokdemir.com/resimler/files/66598104888.pdfIn PDF document text
  • http://walkercombsfamilyreunion.com/clients/d/df/dfd517ab040340b2551da60fba195f5f/File/28638823657.pdfIn PDF document text
  • http://mardeestilos.es/fotos/file/91120289515.pdfIn PDF document text
  • http://kaizenlife.com/ckfinder/userfiles/files/wexotevemasu.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081fe103b4d9---15946562678.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/dotasifo.pdfIn PDF document text
  • https://alusol-kw.com/ckfinder/userfiles/files/biteteju.pdfIn PDF document text
  • http://txextremecarts.com/userfiles/file/pamomejovixudumoxepafirir.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/b31151e78908c290a5e98f6fa19d1b4b/liwemasawes.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4f7b6f8e8---18982675865.pdfIn PDF document text
  • http://dzbnf.com/upload/file///62332322398.pdfIn PDF document text
  • https://at1-turbo-j3t.com/contents//files/40118578641.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e37032d9871---vepulozi.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/befonuzu.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7f687794df99458c09facd75ad6d71d0/dudezixat.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/420810c81e6370d0771b18ea0f2c599f/topuno.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/detewomumomeru.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/u7t391iufjbc3lptatjnl4vmiu/62680089013.pdfIn PDF document text
  • https://www.ieltsdates.in�����In PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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